| Hexapole State-Selection and Beam Focus of Linear Triatomic Molecules |
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| 作者姓名： | 刘福春 金明星 丁大军 |
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| 作者单位： | Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012 |
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| 基金项目： | Supported by the National Natural Science Foundation of China and the Specialized Research Fund for the Doctoral Programme of Higher Education of China. |
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| 摘 要： | The state selection and beam focus of linear triatomic molecules （OCS, HCN, ClCN, BrCN and ICN） with doubling states in a hexapole electric field have been numerically realized. The method is based on a quantum mechanical treatment of the molecular Stark energy and a classical mechanical treatment for the molecular trajectory in the field. In linear molecules with doubling states, the second-order Stark effect can be neglected and the doubling states have the same value of J and M. The influences of the molecular properties, state energies, and the apparatus parameters such as molecular beam temperature and length of the hexapole, on the role of state selection and focus have been discussed. The method established here can be taken as a guide for hexapole experiment of orientation of polar molecules.
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| 关 键 词： | 状态选择 光束聚焦 非线性三原子分子 分子物理学 |
| 收稿时间： | 2006-01-24 |
| 修稿时间： | 2006-01-24 |
Hexapole State-Selection and Beam Focus of Linear Triatomic Molecules |
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| LIU Fu-Chun, JIN Ming-Xing, DING Da-Jun.Hexapole State-Selection and Beam Focus of Linear Triatomic Molecules[J].Chinese Physics Letters,2006,23(5):1165-1168. |
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| Authors: | LIU Fu-Chun JIN Ming-Xing DING Da-Jun |
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| Institution: | Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012 |
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